half corn cylinder

After having investigated at home and abroad,this paper briefly introduced the analyzing-state of grain sorting machinery;Analyzed the working circumstance about wide-ranging used tumbling box and vibrating grain sorting machinery in granary,preliminarily found the problems on their working and also provided improvement measures as the basis for its further production and amelioration.

通过对国内外谷物清选机的调研,简要阐述谷物清选机的研究现状;分析了粮仓常用的滚筒式和振动式谷物清选机的工作状况,找出了存在的问题并提出了相应的改进措施。

After having investigated at home and abroad, this paper briefly introduced types of the grain sorting machinery,especially introduced the principle ,types and characteristics about wide-ranging using four kinds of grain sorting machinery at present, this paper also analyzed the advantages and the insufficiencies of grain sorting machinery.

通过对国内外谷物清选机的调研与资料检索,综述了谷物清选机的种类,特别阐述了目前应用广泛的4种类型清选机的原理、类型及特点,分析了谷物清选机的优点和存在的不足。